>4yq2A (A:) observed residues (from ATOM records)
rgshmwigvislfpemfkaitefgvtgravkhnllkvecwnprdftfdkhktvddrpygg
gpgmlmmvqplrdaihtakaaagegakviylspqgrkldqggvtelaqnqklilvcgrye
giderliqteideewsigdyvltggelpamtlidavarfipgvldglldcphytrpevle
gltvppvlmsghheeirkwrlkqslqrtwlrrpelleglaltdeqrkllkeaqaeh